IT7827772A0 - SPEAKER SYSTEM. - Google Patents
SPEAKER SYSTEM.Info
- Publication number
- IT7827772A0 IT7827772A0 IT7827772A IT2777278A IT7827772A0 IT 7827772 A0 IT7827772 A0 IT 7827772A0 IT 7827772 A IT7827772 A IT 7827772A IT 2777278 A IT2777278 A IT 2777278A IT 7827772 A0 IT7827772 A0 IT 7827772A0
- Authority
- IT
- Italy
- Prior art keywords
- speaker system
- speaker
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
- H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7710136,A NL184037C (en) | 1977-09-15 | 1977-09-15 | SPEAKER SYSTEM. |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7827772A0 true IT7827772A0 (en) | 1978-09-15 |
IT1101005B IT1101005B (en) | 1985-09-28 |
Family
ID=19829187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT27772/78A IT1101005B (en) | 1977-09-15 | 1978-09-15 | LOUDSPEAKER SYSTEM |
Country Status (5)
Country | Link |
---|---|
US (1) | US4213515A (en) |
DE (1) | DE2839111C2 (en) |
FR (1) | FR2403706A1 (en) |
IT (1) | IT1101005B (en) |
NL (1) | NL184037C (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4391346A (en) * | 1979-10-04 | 1983-07-05 | Naoyuki Murakami | Loud-speaker |
US4445730A (en) * | 1981-07-30 | 1984-05-01 | Cross Jimmie R | Speaker cabinet |
US4524845A (en) * | 1983-02-28 | 1985-06-25 | Perrigo Stephen M | Low frequency speaker enclosure |
US4592444A (en) * | 1983-02-28 | 1986-06-03 | Perrigo Stephen M | Low frequency speaker enclosure |
FR2623337B1 (en) * | 1987-11-18 | 1990-06-08 | Dehaeze Jean Marie | |
JPH0727750Y2 (en) * | 1988-08-10 | 1995-06-21 | ヤマハ株式会社 | Audio equipment |
US5109422A (en) * | 1988-09-28 | 1992-04-28 | Yamaha Corporation | Acoustic apparatus |
US5714721A (en) * | 1990-12-03 | 1998-02-03 | Bose Corporation | Porting |
US5138656A (en) * | 1991-05-31 | 1992-08-11 | Abraham Shanes | Intercom with transducer enclosure to attenuate resonant frequencies |
US5286928A (en) * | 1993-04-12 | 1994-02-15 | Borland Nathan J | Tunable speaker tube |
US5818942A (en) * | 1994-11-02 | 1998-10-06 | Freadman; Tommyca | Multimedia stereo sound source |
US5623132A (en) * | 1995-08-18 | 1997-04-22 | Precision Sound Products, Inc. | Modular port tuning kit |
US5647012A (en) * | 1996-06-10 | 1997-07-08 | Han; Sang Wu | Tri-chamber speaker box |
US5892183A (en) * | 1997-07-26 | 1999-04-06 | U.S. Philips Corporation | Loudspeaker system having a bass-reflex port |
US6062338A (en) * | 1997-09-06 | 2000-05-16 | Thompson; Michael A. | Loud speaker enclosure |
US6546298B1 (en) * | 1998-06-17 | 2003-04-08 | Micron Technology, Inc. | Speaker apparatus and a computer system incorporating same |
FR2819974A1 (en) * | 2001-01-24 | 2002-07-26 | Thomson Licensing Sa | ACOUSTIC SPEAKER AND AUDIOVISUAL APPARATUS COMPRISING SUCH A SPEAKER |
US6619424B2 (en) * | 2001-07-02 | 2003-09-16 | Harman International Industries, Inc. | Speaker enclosure configured to minimize diffraction |
US6604602B1 (en) * | 2002-09-30 | 2003-08-12 | Chae Yong Kim | Separable speaker cover box containing speaker system |
WO2007054878A1 (en) * | 2005-11-09 | 2007-05-18 | Nxp B.V. | Arrangement for optimizing the frequency response of an electro-acoustic transducer |
US8042647B1 (en) | 2009-03-16 | 2011-10-25 | Robert Layton, Jr. | Speaker side air supply |
US8807269B1 (en) | 2012-01-09 | 2014-08-19 | Brian Lucy | Loudspeaker enclosure |
US10645484B2 (en) | 2016-12-23 | 2020-05-05 | Tadeusz Kwolek | Loudspeaker cabinets, systems, and methods of construction |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL278736A (en) * | ||||
GB337264A (en) * | 1929-12-13 | 1930-10-30 | Celestion Ltd | Improvements relating to acoustic instruments |
US2971598A (en) * | 1956-08-23 | 1961-02-14 | Sieler George Jerome | Loud speaker |
US3150739A (en) * | 1962-09-04 | 1964-09-29 | Dones Raymon | Loud speaker enclosure |
US3142353A (en) * | 1962-10-25 | 1964-07-28 | Carmine V Todisco | Speaker enclosure |
JPS4936416B1 (en) * | 1970-02-27 | 1974-09-30 | ||
US3892288A (en) * | 1971-10-02 | 1975-07-01 | Monitron Ind | Speaker enclosure |
-
1977
- 1977-09-15 NL NLAANVRAGE7710136,A patent/NL184037C/en not_active IP Right Cessation
-
1978
- 1978-09-08 DE DE2839111A patent/DE2839111C2/en not_active Expired
- 1978-09-12 US US05/941,743 patent/US4213515A/en not_active Expired - Lifetime
- 1978-09-13 FR FR7826260A patent/FR2403706A1/en active Granted
- 1978-09-15 IT IT27772/78A patent/IT1101005B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2403706A1 (en) | 1979-04-13 |
NL184037C (en) | 1989-03-16 |
FR2403706B3 (en) | 1981-01-30 |
US4213515A (en) | 1980-07-22 |
DE2839111C2 (en) | 1986-09-11 |
IT1101005B (en) | 1985-09-28 |
DE2839111A1 (en) | 1979-03-29 |
NL7710136A (en) | 1979-03-19 |
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